which are activated by G protein–coupled receptors (GPCRs) and consist of alpha, beta, and gamma subunits, and the monomeric small G proteins, which belong to the Ras superfamily of small GTPases.

Researchers from Columbia University Irving Medical Center published data from a study that assessed GiGA1, a selective G protein-gated inwardly rectifying potassium channel (GIRK) activator, in ...

The 2012 Nobel Prize for Chemistry has been awarded to Robert Lefkowitz and Brian Kobilka for groundbreaking discoveries that reveal the inner workings of G-protein-coupled receptors. Professor David ...